Cheapest priced copy (Magic 2013): $0.59 at Card Kingdom, near mint, their price list as of .
Ring of Evos Isle 
Artifact — Equipment · Uncommon · Magic 2013 · #211
{2}: Equipped creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's blue.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.59 to $3.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Magic 2013 | 211 | Uncommon | $0.59 | $3.99 |